/**
* Parse the page data and load the optimization-specific details for a complete run
*
* @param TestRunResults $testRunResults Results of the run to get the grades for
* @return array|null An array with all labels, scores, grades, weights, etc per score
*/
function getOptimizationGradesForRun($testRunResults)
{
if (!isset($testRunResults)) {
return null;
}
$scores = array();
$scores['keep-alive'] = $testRunResults->averageMetric('score_keep-alive');
$scores['gzip'] = $testRunResults->averageMetric('score_gzip');
$scores['image_compression'] = $testRunResults->averageMetric('score_compress');
$scores['caching'] = $testRunResults->averageMetric('score_cache');
$scores['combine'] = $testRunResults->averageMetric('score_combine');
$scores['cdn'] = $testRunResults->averageMetric('score_cdn');
$scores['cookies'] = $testRunResults->averageMetric('score_cookies');
$scores['minify'] = $testRunResults->averageMetric('score_minify');
$scores['e-tags'] = $testRunResults->averageMetric('score_etags');
$scores['progressive_jpeg'] = $testRunResults->averageMetric('score_progressive_jpeg');
$numTTFBScores = 0;
$sumTTFBScores = 0.0;
for ($i = 1; $i <= $testRunResults->countSteps(); $i++) {
$stepResult = $testRunResults->getStepResult($i);
$pageData = $stepResult->getRawResults();
$ttfb = (int) $pageData['TTFB'];
$latency = isset($test['testinfo']['latency']) ? $test['testinfo']['latency'] : null;
$ttfbScore = gradeTTFBForStep($ttfb, $latency, $stepResult->createTestPaths(), $target);
if (isset($ttfbScore)) {
$numTTFBScores++;
$sumTTFBScores += $ttfbScore;
}
}
if ($numTTFBScores > 0) {
$scores['ttfb'] = $sumTTFBScores / $numTTFBScores;
}
return createGradeArray($scores);
}
